jeunesse (1) établissement scolaire (1) modèle (1) information (1) santé (1) planning familial (1) éducation (1) méthode (1) Education (1) Children (1) Labor (1) Teenagers (1) Youth (1) Work (1) Vocational guidance (1) Supply and demand (1) Public policy (1) Process (Law) (1) Political planning (1) Labor productivity (1) Hypothesis (1) Human capital (1) Health behavior (1) Health (1) Finance (1) Fertility (1) Example (1) Equations (1) Education (1) Child labor (1)